SHARE BASED COMPENSATION - Summary of Activity of the RSUs Granted (Details) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended
	Dec. 31, 2023 USD ($) $ / shares shares
RSU
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units (in shares) | shares	430
Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	$ 66.23
Fair Value at Grant Date | $	$ 28.4
Time-based grants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units (in shares) | shares	200
Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	$ 66.23
Fair Value at Grant Date | $	$ 13.0
Time-based grants | Vesting in less than 12 months
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units (in shares) | shares	50
Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	$ 66.23
Fair Value at Grant Date | $	$ 3.5
Time-based grants | Vesting in more than 12 months
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units (in shares) | shares	150
Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	$ 66.23
Fair Value at Grant Date | $	$ 9.5
Performance-based grants | Vesting in more than 12 months
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units (in shares) | shares	230
Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	$ 66.23
Fair Value at Grant Date | $	$ 15.4
SB/RH | RSU
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units (in shares) | shares	410
Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	$ 66.23
Fair Value at Grant Date | $	$ 27.0
SB/RH | Time-based grants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units (in shares) | shares	180
Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	$ 66.23
Fair Value at Grant Date | $	$ 11.6
SB/RH | Time-based grants | Vesting in less than 12 months
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units (in shares) | shares	30
Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	$ 66.23
Fair Value at Grant Date | $	$ 2.1
SB/RH | Time-based grants | Vesting in more than 12 months
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units (in shares) | shares	150
Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	$ 66.23
Fair Value at Grant Date | $	$ 9.5
SB/RH | Performance-based grants | Vesting in more than 12 months
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units (in shares) | shares	230
Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	$ 66.23
Fair Value at Grant Date | $	$ 15.4